Bladeless fan

Abstract

The disclosure provides a bladeless fan, which includes a fan body and at least three telescopic brackets. The fan body includes a base. A plurality of guide members each correspondingly arranged to one telescopic bracket are installed inside the base. The guide member is fixed to the base and provided with a through channel, a bottom of the base is defined with a through hole communicated with the through channel arranged along a height direction of the base, and an inner wall of the through channel is provided with a rubber layer. The telescopic bracket includes a support and a handgrip connected with the support, and the base is provided with a guide groove arranged along the height direction of the base, the handgrip is inserted into the guide groove, the support is installed in the through channel, contacted with the rubber layer.

What is claimed is: 
     
         1 . A bladeless fan, comprising a fan body and at least three telescopic brackets, wherein
 the fan body comprises a base, a plurality of guide members are installed inside the base, each guide member is correspondingly arranged to each telescopic bracket, the guide member is fixed to the base, the guide member is provided with a through channel, a bottom of the base is defined with a through hole communicated with the through channel, the through channel is arranged along a height direction of the base, and an inner wall of the through channel is provided with a rubber layer, the telescopic bracket comprises a support and a handgrip connected with the support, and the base is provided with a guide groove, the guide groove is arranged along the height direction of the base, the handgrip is inserted into the guide groove and is moved relative to the guide groove, the support is installed in the through channel, is in contact with the rubber layer, and relatively slides along the through channel and the through hole.   
     
     
         2 . The bladeless fan according to  claim 1 , further comprising a first temperature sensor, an electric heating device, a second power supply device, a second temperature sensor and a controller; wherein
 the second power supply device is electrically connected with the electric heating device, the electric heating device is arranged in the fan body and is configured to heat wind blown out by the fan body, the first temperature sensor is in signal connection with the controller, the first temperature sensor is configured to detect an ambient temperature and transmit information on the ambient temperature to the controller, and the controller is configured to receive the information on the ambient temperature and control the second power supply device to supply or cut off power to the electric heating device according to the information on the ambient temperature, so as to control an operation state of the electric heating device; and   the second temperature sensor is in signal connection with the controller, the second temperature sensor is configured to detect a temperature of the electric heating device and transmit information on the temperature of the electric heating device to the controller, the controller is configured to receive the information on the temperature of the electric heating device and control the second power supply device to supply or cut off power to the electric heating device according to the information on the temperature of the electric heating device, so as to control the operation state of the electric heating device.   
     
     
         3 . The bladeless fan according to  claim 2 , further comprising a handpiece mounted on the base and further comprising a power mechanism, wherein the base is provided with an accommodating cavity for accommodating the power mechanism, and the accommodating cavity is communicated with the handpiece, the power mechanism is mounted in the accommodating cavity, and an airflow generated by the power mechanism is ejected through the handpiece. 
     
     
         4 . The bladeless fan according to  claim 3 , further comprising a trigger unit which is provided in the fan body and electrically connected with the controller, wherein the trigger unit is configured to detect whether the bladeless fan is operated, and the controller is configured to control an operation state of the power mechanism when the bladeless fan is operated. 
     
     
         5 . The bladeless fan according to  claim 4 , wherein the trigger unit comprises a trigger button provided on the fan body, the trigger button being configured to detect whether the trigger button is pressed or not, and the controller being configured to control the operation state of the power mechanism when the trigger button is pressed. 
     
     
         6 . The bladeless fan according to  claim 4 , wherein the trigger unit comprises a touch element which is provided on the fan body, the touch element being configured to detect whether the touch element is touched, and the controller being configured to control the operation state of the power mechanism when the touch element is touched. 
     
     
         7 . The bladeless fan according to  claim 3 , wherein the electric heating device is installed inside the handpiece and disposed at an air outlet of the handpiece. 
     
     
         8 . The bladeless fan according to  claim 3 , further comprising a prompter which is electrically connected with the controller, the controller being configured to control an operation state of the prompter according to the operation state of the power mechanism and the operation state of the electric heating device. 
     
     
         9 . The bladeless fan according to  claim 2 , wherein the bladeless fan is further equipped with a Bluetooth module, the Bluetooth module being in signal connection with the controller. 
     
     
         10 . The bladeless fan according to  claim 1 , wherein the handgrip is rod-shaped, the support part is rod-shaped, and an axis of the handgrip is perpendicular to an axis of the support part.